# NTSB Accident CHI90DEV08
> **HILVETY CWII** · 1990-08-03 · MOWEAQUA, IL, USA · MINR
## Event
- **NTSB number:** CHI90DEV08
- **Event ID:** 20001212X23921
- **Type:** Accident
- **Date:** 1990-08-03
- **Location:** MOWEAQUA, IL, USA
- **Coordinates:** 39.620243, -89.010894
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** HILVETY
- **Model:** CWII
- **Registration:** N7176J
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN FLYING SPEED AND STALLING THE AIRPLANE WHILE ATTEMPTING TO REVERSE COURSE FOR A FORCED LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S FAILURE TO PROPERLY REINSTALL SPARK PLUG CABLES DURING SERVICING CONDUCTED PRIOR TO FLIGHT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI90DEV08) · AI Analytics · CC0 1.0*